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added PCI expansion ROM support,

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works for some ATI and Nvidia AGP cards now.


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1851 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo
2005-01-10 23:16:22 +00:00
parent 7ee97999ad
commit 883b8793c9
34 changed files with 16694 additions and 7 deletions
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16
src/devices/pci_device.c
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@@ -548,13 +548,24 @@ void pci_bus_enable_resources(struct device *dev)
enable_childrens_resources(dev);
}
void pci_dev_set_subsystem(device_t dev, unsigned vendor, unsigned device)
{
pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
((device & 0xffff) << 16) | (vendor & 0xffff));
}
void pci_dev_init(struct device *dev)
{
struct rom_header *rom, *ram;
rom = pci_rom_probe(dev);
if (rom == NULL)
return;
ram = pci_rom_load(dev, rom);
run_bios(dev, ram);
}
/** Default device operation for PCI devices */
static struct pci_operations pci_dev_ops_pci = {
.set_subsystem = pci_dev_set_subsystem,
@@ -564,7 +575,7 @@ struct device_operations default_pci_ops_dev = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.init = 0,
.init = pci_dev_init,
.scan_bus = 0,
.enable = 0,
.ops_pci = &pci_dev_ops_pci,
@@ -574,6 +585,7 @@ struct device_operations default_pci_ops_dev = {
static struct pci_operations pci_bus_ops_pci = {
.set_subsystem = 0,
};
struct device_operations default_pci_ops_bus = {
.read_resources = pci_bus_read_resources,
.set_resources = pci_dev_set_resources,